Home / 14,016.40-21,022.20-5,246.80

Finding the Fourth Proportional to 14,016.40, 21,022.20 and 5,246.80

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Solution

The fourth proportional to 14,016.40, 21,022.20 and 5,246.80 is: 7,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.40 : 21,022.20 = 5,246.80 : x
  2. Step 2: Convert to fraction form
    14,016.40/21,022.20 = 5,246.80/x
  3. Step 3: Cross multiply
    14,016.40x = 21,022.20 × 5,246.80
  4. Step 4: Simplify right side
    14,016.40x = 110,299,278.96
  5. Step 5: Solve for x
    x = 110,299,278.96/14,016.40
  6. Step 6: Final answer
    x = 7,869.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.